Popular privacy screen for outdoor decks are a fence, pergola, trellis, trees and tropical plants, A house itself can create a privacy wall for a deck.
Trees and plants can create a living privacy screen and a lush backdrop to outdoor living. Evergreen trees have dense foliage that keep others from seeing in, but it also creates a tranquil space for the homeowners. Furthermore, the trees help to filter out any noise and create an oasis of calm.
Pergolas can also create a sense of privacy while simultaneously providing shady areas during hot weather and protection during rainy weather. Canvas or cloth strips and awnings can be added to the tops and sides of pergolas to increase privacy as well.